190 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 42 0.2211 42 1 44 0.2316 2 115 3 33 0.1737 148 4 42 0.2211 190 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly four siblings?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.